Answer:
Explanation:
Duplicate tuples are not allowed in a relation because the specifications of the constraints of the regional integrity are violated, especially the main constraint that states that there can be no identical values for the attributes of two tuples at any database relation state.
Also, duplicate tuples are not allowed in a relation due to the fact that they lead to redundancy of the data base which in turn, slowing down the speed of the database when data processing such as inserting, querying, updating, deleting, etc are being performed.
Overflow occurs when the magnitude of a number exceeds the range allowed by the size of the bit field. The sum of two identically-signed numbers may very well exceed the range of the bit field of those two numbers, and so in this case overflow is a possibility.
Answer:
Bullet
Explanation:
I've written a paragraph before. I should know!
Answer: your books and the ones you are given access to.
Explanation: quickbooks goes from day to day bookkeeping to month and year end financial reports and tax filing. businesses use to manage daily sales and expenses and also keep track of daily transactions. They can involve or outsource bookkeepers or choose to run in-house operations. In doing this they would have access to all their books or decide to give virtual access to their outsourced bookkeeper/accountant. Quickbooks has multiple features concerning user access and privacy. A quick books user, in this case the business, can restrict access for each user it decides to add. The user can decide to give free access to all books or decide to restrict to a few files. Example, the business may add an accountant as one of its users and decide to restrict the accountant to its payroll files, depending on the agreement.